CBUQBR
User Manual
80-14004000-01
1–6
1.4.4 Jumpers and Links
Front card:
These are all factory set and must not be changed.
Jumper
Description
(F=Factory Set)
JP1-3
-
Not used
JP4
-
Clock post
JP5
OUT (F)
Watchdog timer enabled
JP6
OUT (F)
Rear card absence enables re-boot
JP7-11
MASTER (F)
System Bus Master operation
SLAVE
System Bus Slave operation
Rear card:
Jumper
Description
(F=Factory Set)
JP1
OUT (F)
Tx ISDN line 1 termination disabled
JP2
OUT (F)
Rx ISDN line 1 termination disabled
JP3
OUT (F)
Tx ISDN line 2 termination disabled
JP4
OUT (F)
Rx ISDN line 2 termination disabled
JP5
OUT (F)
Tx ISDN line 3 termination disabled
JP6
OUT (F)
Rx ISDN line 3 termination disabled
JP7
OUT (F)
Tx ISDN line 4 termination disabled
JP8
OUT (F)
Rx ISDN line 4 termination disabled